Ram/Cummins Maintenance and Modification ToolsPut info to help people mod and work on their trucks. Calculators, Suppliers, Cool Web sites, etc

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you can build one for cheaper and unless you tow constantly or race your truck not really worth it they say you can get extra mpg and can clean your intake/exhaust and engine but for the 1 to 2 mpg more not really worth it unless you make one for cheap i can tell you how but for a few hundred more deleting the emissions doubled my mileage and it runs cooler cause no more egr